... we offer:HSS Circular Saw Blade,Slitting Cutter, Small Saw Blade,Cold Saw Blade,Circular Saw Blade, ... and is the simplest “coating” available. It is used for general cutting applications, except for aluminum, copper, ... .Regarding DIN 1840: A : This is usually used for cutting mild steel which is easy to be ... . The sharpness of the blade can weaken when used on hardwood. If you want something sharper and ...